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   /*
    * Copyright 2019 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  
  package io.netty.handler.ssl.util;
  
  import io.netty.util.internal.ObjectUtil;
  
  import java.security.KeyStore;
  import javax.net.ssl.KeyManager;
  import javax.net.ssl.ManagerFactoryParameters;
  
  public final class KeyManagerFactoryWrapper extends SimpleKeyManagerFactory {
      private final KeyManager km;
  
      public KeyManagerFactoryWrapper(KeyManager km) {
          this.km = ObjectUtil.checkNotNull(km, "km");
      }
  
      @Override
      protected void engineInit(KeyStore keyStore, char[] var2) throws Exception { }
  
      @Override
      protected void engineInit(ManagerFactoryParameters managerFactoryParameters)
              throws Exception { }
  
      @Override
      protected KeyManager[] engineGetKeyManagers() {
          return new KeyManager[] {km};
      }
  }